JPH09500400A - 置換ピラジンの製法 - Google Patents
置換ピラジンの製法Info
- Publication number
- JPH09500400A JPH09500400A JP7528801A JP52880195A JPH09500400A JP H09500400 A JPH09500400 A JP H09500400A JP 7528801 A JP7528801 A JP 7528801A JP 52880195 A JP52880195 A JP 52880195A JP H09500400 A JPH09500400 A JP H09500400A
- Authority
- JP
- Japan
- Prior art keywords
- ammonium
- formula
- same
- reaction
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D241/12—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
- C07D241/40—Benzopyrazines
- C07D241/42—Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/50—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to ring nitrogen atoms
- C07D241/52—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1448/94-7 | 1994-05-10 | ||
CH144894 | 1994-05-10 | ||
PCT/IB1995/000212 WO1995030660A1 (fr) | 1994-05-10 | 1995-03-28 | Procede pour la preparation de pyrazines substituees |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09500400A true JPH09500400A (ja) | 1997-01-14 |
Family
ID=4210704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7528801A Pending JPH09500400A (ja) | 1994-05-10 | 1995-03-28 | 置換ピラジンの製法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5679793A (fr) |
EP (1) | EP0708759B1 (fr) |
JP (1) | JPH09500400A (fr) |
DE (1) | DE69518206T2 (fr) |
WO (1) | WO1995030660A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100556895C (zh) * | 2006-10-18 | 2009-11-04 | 张锋 | 川芎嗪的制备方法 |
CN108084097B (zh) * | 2016-11-22 | 2021-02-26 | 中国科学院大连化学物理研究所 | 一种由二羟基丙酮制备5-甲基-2-吡嗪甲醇的方法 |
CN106749049B (zh) * | 2016-11-25 | 2020-02-21 | 孙嘏 | 吡嗪类化合物及其制备方法、用途 |
US20240043391A1 (en) | 2021-02-02 | 2024-02-08 | Symrise Ag | Method for producing alkylpyrazines |
DE102022132286A1 (de) | 2022-12-06 | 2024-06-06 | DÖHLER GmbH | Formulierung zur Aromatisierung eines Lebensmittelproduktes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3544682A (en) * | 1968-03-18 | 1970-12-01 | Lilly Co Eli | Fungicidal control method employing substituted pyrazines |
US3928352A (en) * | 1974-05-07 | 1975-12-23 | Lilly Co Eli | Certain substituted 2-pyrazinemethanols |
CA2062149A1 (fr) * | 1991-03-26 | 1992-09-27 | Teh-Kuei Chen | Preparation de pyrazines |
US5304648A (en) * | 1992-09-29 | 1994-04-19 | Nestec S.A. | Pyrazine preparation |
-
1995
- 1995-03-28 EP EP95911481A patent/EP0708759B1/fr not_active Expired - Lifetime
- 1995-03-28 JP JP7528801A patent/JPH09500400A/ja active Pending
- 1995-03-28 WO PCT/IB1995/000212 patent/WO1995030660A1/fr active IP Right Grant
- 1995-03-28 US US08/569,173 patent/US5679793A/en not_active Expired - Lifetime
- 1995-03-28 DE DE69518206T patent/DE69518206T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69518206T2 (de) | 2001-03-29 |
DE69518206D1 (de) | 2000-09-07 |
US5679793A (en) | 1997-10-21 |
EP0708759B1 (fr) | 2000-08-02 |
WO1995030660A1 (fr) | 1995-11-16 |
EP0708759A1 (fr) | 1996-05-01 |
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